This Seeking Tech guide will explain how you can find PlayStation Portal compatible titles on the PlayStation Store.
For the first step, you need to open the Store App from your PS5.
Next, you need to switch over to the Browse tab.
You then need to select the Sort and Filter option.
Afterwards, select Supported Features and then Remote Play.
You should then go back to the Sort and Filter menu to select the Sort By option and then Name (A – Z).
You should now see a list of titles that support the PlayStation Portal.